Patent · US Expired

Hand tool

US5903980A · kind A · utility

29Cited by
18References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 1996
Grant dateMay 18, 1999
Priority date—
Expiry dateNov 13, 2016

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23D21/08
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A pipe cutter having an over-center feature which facilitates automatic charging of a spring to which a cutter is mounted.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.